JC U2 Tristar Identification Device for iPhone/ iPad U2 Charger IC and SN The easiest way for you to identify the status of your iPhone/iPad U2 chip and read the SN. Now you just need to connect JC U2 with your iPhone/iPad, U2 chip status and SN will be displayed in seconds, perfect tools for charging issues repair, and iPhone identify.
Step 1, Connect your JC U2 via lighting USB cable to power on.
Step 2 Click the right function button to select language (language option available only on when you power on JC U2).
Step 3, Connect your iPhone/iPad with JC U2 via data connecting the cable.
Step 4, Optional for you to click the left function button to switch the vertical or horizontal display
Step 5, Check the available data of U2 (Tristar) chip and SN, status showing as NG or OK for each testing results. Optional for you to click the right function button to running the testing again.
It's never been so easy!